Which of the following statements is correct? As a means of losing heat from the body, evaporation of sweat works:

waelhammad

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2022-10-22

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provided that the surrounding air is not saturated with water vapour.
provided that the surrounding environment is at a lower temperature that the body.
because sweat is at a lower temperature than blood.
because a fi lm of sweat acts as an absorber of infra-red radiation from the surroundings.

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waelhammad

2022-10-22

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A: Sweat will evaporate and cooling will be achieved as long as the air is not already saturated with water vapour.

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